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author | Rom Lemarchand <romlem@android.com> | 2016-07-13 10:57:57 -0700 |
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committer | gitbuildkicker <android-build@google.com> | 2016-07-13 20:29:50 -0700 |
commit | d0b8050616c34d88667c19df07928b14ebfc7c1d (patch) | |
tree | 38926b8352f2889ae6a9bb448dcb0f45d4ae0856 | |
parent | e13224197ef3609ec2e95590f47815435d0dde41 (diff) | |
download | flounder-nougat-cts-release.tar.gz |
flounder: restore read_ahead/prefetch to defaultandroid-cts-7.0_r9android-cts-7.0_r8android-cts-7.0_r7android-cts-7.0_r6android-cts-7.0_r5android-cts-7.0_r4android-cts-7.0_r33android-cts-7.0_r32android-cts-7.0_r31android-cts-7.0_r30android-cts-7.0_r3android-cts-7.0_r29android-cts-7.0_r28android-cts-7.0_r27android-cts-7.0_r26android-cts-7.0_r25android-cts-7.0_r24android-cts-7.0_r23android-cts-7.0_r22android-cts-7.0_r21android-cts-7.0_r20android-cts-7.0_r2android-cts-7.0_r19android-cts-7.0_r18android-cts-7.0_r17android-cts-7.0_r16android-cts-7.0_r15android-cts-7.0_r14android-cts-7.0_r13android-cts-7.0_r12android-cts-7.0_r11android-cts-7.0_r10android-cts-7.0_r1android-7.0.0_r9android-7.0.0_r8android-7.0.0_r7android-7.0.0_r6android-7.0.0_r5android-7.0.0_r4android-7.0.0_r3android-7.0.0_r21android-7.0.0_r19android-7.0.0_r17android-7.0.0_r15android-7.0.0_r14android-7.0.0_r13android-7.0.0_r12android-7.0.0_r11android-7.0.0_r10android-7.0.0_r1nougat-releasenougat-cts-releasenougat-bugfix-release
Large read_ahead and prefetch buffers hurt the device's performance since access
to system is mostly done through random I/O.
Restoring to default values (256kB prefetch and 128kB read_ahead).
Bug: 28904641
Change-Id: I2929df30d3371eff3f79c179118128de51677300
-rw-r--r-- | init.flounder.rc | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/init.flounder.rc b/init.flounder.rc index cba5bc5..324b797 100644 --- a/init.flounder.rc +++ b/init.flounder.rc @@ -122,15 +122,9 @@ on boot on fs mount_all /fstab.flounder - write /sys/module/dm_verity/parameters/prefetch_cluster 524288 # Update dm-verity state and set partition.*.verified properties verity_update_state -on property:service.bootanim.exit=1 - # Adjust parameters for dm-verity devices - write /sys/block/dm-0/queue/read_ahead_kb 2048 - write /sys/block/dm-1/queue/read_ahead_kb 2048 - on verity-logging exec u:r:slideshow:s0 -- /sbin/slideshow warning/verity_red_1 warning/verity_red_2 |